xref: /llvm-project/compiler-rt/test/lsan/TestCases/Linux/use_tls_pthread_specific_static.cpp (revision eb3be66028eac88098e0186cff80e0421949dd69)
1 // Test that statically allocated thread-specific storage is included in the root set.
2 // RUN: %clangxx_lsan %s -o %t
3 // RUN: %env_lsan_opts="report_objects=1:use_stacks=0:use_registers=0:use_tls=0" not %run %t 2>&1 | FileCheck %s
4 // RUN: %env_lsan_opts="report_objects=1:use_stacks=0:use_registers=0:use_tls=1" %run %t 2>&1
5 // RUN: %env_lsan_opts="" %run %t 2>&1
6 
7 #include <assert.h>
8 #include <pthread.h>
9 #include <stdio.h>
10 #include <stdlib.h>
11 #include "sanitizer_common/print_address.h"
12 
13 // From glibc: this many keys are stored in the thread descriptor directly.
14 const unsigned PTHREAD_KEY_2NDLEVEL_SIZE = 32;
15 
main()16 int main() {
17   pthread_key_t key;
18   int res;
19   res = pthread_key_create(&key, NULL);
20   assert(res == 0);
21 #if !defined(__ANDROID__) && !defined(__BIONIC__)
22   // Bionic doesn't have specific limit.
23   assert(key < PTHREAD_KEY_2NDLEVEL_SIZE);
24 #endif
25   void *p = malloc(1337);
26   res = pthread_setspecific(key, p);
27   assert(res == 0);
28   print_address("Test alloc: ", 1, p);
29   return 0;
30 }
31 // CHECK: Test alloc: [[ADDR:0x[0-9,a-f]+]]
32 // CHECK: LeakSanitizer: detected memory leaks
33 // CHECK: [[ADDR]] (1337 bytes)
34 // CHECK: SUMMARY: {{.*}}Sanitizer:
35